Environmental sensor



FIG. 1 is a front view of an environmental sensor showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a right-side view thereof; and,

FIG. 4 is a left-side view thereof.

The bottom of the environmental sensor is flat and unornamented. The rear of the environmental sensor is flat and unornamented. 

CLAIM The ornamental design for an environmental sensor, as shown and described. 